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Docker in Practice by Aidan Hobson Sayers, Ian Miell

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Chapter 12. Docker in production—dealing with challenges

This chapter covers

  • Bypassing Docker’s namespace functionality and using the host’s resources directly
  • Making more room by resizing your storage
  • Debugging a container’s network directly, using your host’s tooling
  • Tracing system calls to determine why a container isn’t working on your host

In this chapter we’ll discuss what you can do when Docker’s abstractions aren’t working for you. These topics necessarily involve getting under the hood of Docker to understand how such solutions can be needed, and in the process we aim to provide you with a deeper awareness of what can go wrong when using Docker and how to go about fixing it.

12.1. Performance—you can’t ignore the tin

Although ...

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